DragonFly BSD
DragonFly kernel List (threaded) for 2003-12
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Re: Laptop getting hot

From: YONETANI Tomokazu <qhwt+dragonfly-kernel@xxxxxxxxxx>
Date: Tue, 23 Dec 2003 00:27:11 +0900


On Sat, Nov 29, 2003 at 07:55:38PM +0000, Johannes Hofmann wrote:
> I just installed DragonFlyBSD on my Laptop (Thinkpad i1200). Everything
> works great, but it is getting considerably hotter than with FreeBSD.
> I tried against recent -current and 4.3-stable (because I just had a 4.3 CD).
> I had neither apm nor acpi enabled and the fan did not turn on 
> at all. With DFBSD it start almost immediately, even without any load.
> Do you have any idea, what could be causing this?

Same thing happens to me with Dell Optiplex G240(a Desktop, though).
When it's running FreeBSD-stable, the cooling fan is very calm, while with
DragonFly the fan keeps turning noisily as if it's running buildworld.
I haven't tried recent acpi code from FreeBSD-CURRENT, but it doesn't seem
to have any CPU throttling feature.

I tried older DragonFly kernel/world, and found that DragonFly from
source as of 2003. already exhibits this symptom. I
also wanted to try 2003. and 2003., but
somehow both didn't compile.

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